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The EUCO Diamond Hard offered by Euclid Chemical is a solid option for a penetrating concrete sealer. Made up of a blend of silicates/siliconates, the Diamond Hard sealer is a powerful option that will penetrate past the small surface pores of the concrete, reacting chemically within the surface of the material to densify and protect the concrete.

Silicate/siliconate blends are the best densifying and waterproofing sealers out there on the market. They combine the strength, durability, densification and hardness of a silicate sealer mixed with the waterproofing siliconate molecules creating the perfect concrete sealer.icate/siliconate sealer before hand will increase the hardness and polishability of the surface. Euco Diamond Hard silicate/siliconate concrete sealer is the best choice when densifying concrete.

Euco Diamond Hard pails 5 Gallon


  • Reduces porosity and increases durability of the concrete surface
  • Complies with VOC regulations across North America
  • Treated surfaces have increased liquid repellency
  • Equipment can be cleaned with water
  • Minimizes tire marks and enables them to be more easily removed
  • Can be applied to new or existing concrete


  • Interior or exterior
  • Warehouse floors
  • Commercial and retail floors
  • Manufacturing plants
  • Distribution centers
  • Polished concrete


EUCO DIAMOND HARD is packaged in 275 gal (1041 L) totes, 55 gal (208 L) drums and 5 gal (18.9 L) pails.